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Attention, memory and mental clarity.

Pregnenolone PREG C21H32O2 316.5 Cerebrolysin CERE Chemistry pending Semax SEMAX C37H51N9O10S 813.9 Selank SEL C33H57N11O9 751.9 Pinealon PIN C15H26N6O8 418.40 Cortagen CORT C17H26N4O9 430.4 Cortexin CTX Chemistry pending Noopept NOO Chemistry pending Klotho KLTH Chemistry pending